Chang Joo Kim

Title: Chang Joo Kim: Innovator in Wireless Communication Technologies

Introduction

Chang Joo Kim is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of wireless communication, holding a total of 9 patents. His work focuses on improving the efficiency and effectiveness of cognitive wireless networks.

Latest Patents

Among his latest patents is a method and system of distributed sensing for reducing spectrum sensing overhead in cognitive wireless multi-hop networks. This invention provides a method for performing distributed channel sensing, where channel information is collected based on a priority determined by the relative position of a cell in a wireless network. This innovation reduces the overhead of channel sensing and minimizes transmission failures when detecting frequencies. Another notable patent is the method of frequency channel assignment using effective spectrum sensing in a multiple frequency assignment system. This method involves classifying multiple frequency channels and managing sensed channel states to assign frequencies to secondary users without causing interference to primary users.

Career Highlights

Chang Joo Kim has worked with reputable organizations, including the Electronics and Telecommunications Research Institute and the University-Industry Cooperation Group of Kyung Hee University. His experience in these institutions has allowed him to develop and refine his innovative ideas in wireless communication.

Collaborations

He has collaborated with notable colleagues such as Sung Hyun Hwang and Jung Sun Um, contributing to advancements in the field through teamwork and shared expertise.

Conclusion

Chang Joo Kim's contributions to wireless communication technologies demonstrate his commitment to innovation and improvement in the field. His patents reflect a deep understanding of the challenges in cognitive wireless networks and offer practical solutions to enhance their performance.